Components

$2.25 $4.50  
52 pc(s)
This buzzer is used with Pixhawk and PX4 autopilot to annunciate status tones. The buzzer includes a two-position DF14 connector on one side that plugs directly into the Pixhawk or PX4 FMU board. Wire length: ~190mm

$0.50  
16 pc(s)
This is a small 12mm round active buzzer. It has additional circuitry in it which makes it easier to use but limits the buzzer to only making one type of a sound (tone). It only requires DC power source for the tone to be generated. This buzzer will switched on by a 3-5V DC voltage. No other...

$1.70  
Out-of-stock
Loud sounders that may be powered with a voltage of anywhere from 3.0 to 24VDC. It has additional circuitry in it which makes it easier to use but limits the buzzer to only making one type of a sound (tone). It only requires DC power source for the tone to be generated. This buzzer is...
Out-of-stock

$1.70  
5 pc(s)
Loud sounders that may be powered with a voltage of anywhere from 3.0 to 24VDC. It has additional circuitry in it which makes it easier to use but limits the buzzer to only making one type of a sound (tone). It only requires DC power source for the tone to be generated. This buzzer is...

$0.50  
8 pc(s)
This tiny little aluminium heatsink is a perfect solution for cooling off small surface-mount components such as CPUs on Raspberry Pi or stepper motor driver. The heatsink includes thermal adhesive tape for better heat dissipation. The installation is simple, what you need to do is to remove...

$0.20  
500 pc(s)
This is a very common 22pF capacitor. Used with crystals for loading purposes. 0.2" spaced leads make this a perfect candidate for breadboarding and perf boarding. Rated at 50V.

$3.95 $7.90  
18 pc(s)
Our new capacitor kit comes with 10 each of 30 different capacitance values. All of these capacitors are packed into the zip-lock bags. This kit provides an easy way to build up a catalog of commonly used capacitors in a way that keeps them organised. Includes : Ceramic...

$59.95  
2 pc(s)
Your project may be free-as-in-speech, but that doesn't mean it has to be free-as-in-beer. This handy coin validator/acceptor module is just like the ones you've seen in arcades. This model has the cool ability to accept up to 4 different coins! For example, you can program it for 4...

$0.20  
772 pc(s)
This is a simple, very common rectifier diode. Often used for reverse voltage protection, the 1N4001 is a staple for many power, DC to DC step up, and breadboard projects. 1N4001 is rated for up to 1A/400V. Documents: Datasheet

$4.50 $9.00  
78 pc(s)
This is a 1 GB microSD media card. Perfect for massive datalogging in a minute amount of space. These microSD cards have a simple to use SPI interface allowing any micro to read and write data in a very large 1 gigabyte storage array. This product is guaranteed to work in products that use a...

$7.90  
12 pc(s)
These DC powered heating pads are perfect for near-body heating applications. They get warm to the touch but not too hot. Simply apply 5VDC to the wire leads and within minutes, the pad will begin to warm up. These heating pads are constructed using a mesh of Polyester filament and Micro...

$8.20  
1 pc(s)
These DC powered heating pads are perfect for near-body heating applications. They get warm to the touch but not too hot. Simply apply 5VDC to the wire leads and within minutes, the pad will begin to warm up. These heating pads are constructed using a mesh of Polyester filament and Micro...

$3.50  
39 pc(s)
The MCP3002 has a 10-bit analog to digital converter (ADC) with a simple to use SPI interface. Use this IC if your microcontroller does not have an ADC or have enough ADC lines. A great chip when you need to add additional ADC lines. Features : 2.7V to 5.5V supply 2 Channels...

$4.50  
5 pc(s)
The MCP3008 has a 8-Channel 10-bit analog to digital converter (ADC) with a simple to use SPI interface. Use this IC if your microcontroller does not have an ADC or have enough ADC lines. A great chip when you need to add additional ADC lines. Features : 2.7V to 5.5V supply...

$14.00 $20.00  
9 pc(s)
This is a class 10 64GB microSD memory card, perfect for housing operating systems for single board computers and a multitude of other information. Since this is a class 10 UHS-I microSD it is capable of transferring data at speeds up to 100MB/s allowing it to have a noticeable increase in...

$0.20  
33 pc(s)
The micro SD card adapter looks like a regular-sized SD card with a slot in it for the microSD card. It allows you to transfer data between your device and a computer.

$3.50  
5 pc(s)
This is an awesome little microSD USB reader. Just slide your microSD card into the inside of the USB connector, then stick this into a USB port and the card's contents will pop up on your computer. Very sneaky - we love it! This little guy is great for pulling data logs off microSD media. This...

$45.00 $75.00  
1 pc(s)
This is a thermal printer like you would find on a cash register or adding machine. It will print simple strings passed to it via TTL serial, bitmap images (poorly) and it even generates several different formats of barcodes! The thermal printer takes 57mm wide thermal paper with a...

$7.95  
2 pc(s)
This plug-and-play Mini USB Microphone needs no driver, and its USB interface means you can use it with any computer, laptop, SBC, etc! Works great with a Raspberry Pi computer, but you can also use it with any other computer you want to record audio on. Simply plug it right in and...

$0.50  
30 pc(s)
2N2222A is designed for high speed switching application at collector current up to 600mA, and feature useful current gain over a wide range of collector current, low leakage currents and low saturation voltage.

$0.50  
677 pc(s)
This BC337 is a drop-in replacement for the 2N2222 Transistor This is the BC337, an NPN silicon BJT (Bipolar Junction Transistor). This little transistor can help in your project by being used to help drive large loads or amplifying or switching applications. The BC337 is specifically rated...

$0.50  
2030 pc(s)
This is a small 12mm round passive buzzer that operates around the audible 2kHz range. We drove it directly from a 3v to 5V Arduino or micro:bit to generate simple melody. Note : This passive buzzer requires a square wave (PWM) signal to make a sound or to play melodies. The frequency...

$2.90  
3 pc(s)
This is a small 13mm round passive buzzer that operates around the audible 4kHz range. We drove it directly from a 3v to 5V Arduino or micro:bit to generate simple melody. The buzzer leads are terminated with male pin. Note : This passive buzzer requires a square wave (PWM) signal to...

$0.95 $1.35  
587 pc(s)
There are lots of potentiometer out there. Some are very large, some so small they require a screwdriver. This 10K potentiometer has a small knob built right in and it's breadboard friendly to boot! Perfect for your next LCD contrast adjuster, opamp setting, or volume level. This model # is...

$0.50  
10 pc(s)
This is a great looking rubberized knob for the potentiometer. Slides onto the Single Turn Potentiometer and holds tightly with a strong friction fit.

$0.95 $1.35  
61 pc(s)
These are general purpose, Single Pole - Double Throw (SPDT) sealed relays. Use them to switch high voltage, and/or high current devices. This relay's coil has switch voltage of 3V at 120mA. The contacts are rated 10A at 120VAC, 10A at 30VDC. Features : 3V DC SPDT...

$0.70  
47 pc(s)
1/6th Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and perf boards, these 10K resistors make excellent pull-ups, pull-downs, and current limiters.

$0.70  
47 pc(s)
1k Ohm, 1/6th Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and perf boards.

$0.70  
50 pc(s)
1/4 Watt, +/- 5% tolerance PTH resistors. Commonly used in breadboards and perf boards, these 330Ohm resistors make excellent LED current limiters and are great for general use.

$6.40 $8.00  
Out-of-stock
Don't you hate it when you're in the middle of a build and you don't have a certain value of resistor? Don't let it happen again with this resistor kit. This kit contains a resistor color code chart and 20 each of 30 standard value 1/4 Watts resistors with 1% tolerance. It's perfect for starting...
Out-of-stock

$18.95  
1 pc(s)
This is a 12 wire slip ring, a remarkably simple electromechanical assembly that allows electronic signals to be passed through its rotating innards. Commonly, you'd find slip rings in wind turbines, radar antennae, or anything else that requires continuous 360° rotation while maintaining an...

$18.95  
5 pc(s)
This is a 6 wire slip ring, a remarkably simple electromechanical assembly that allows electronic signals to be passed through its rotating innards. Commonly, you'd find slip rings in wind turbines, radar antennae, or anything else that requires continuous 360° rotation while maintaining an...

$1.80  
3 pc(s)
This easy-to-use split ferrite core provides a cost-effective means to reduce the electromagnetic interference from being induced in or radiated from data and power cables. The special designed plastic housing allows the ferrite sleeve to use with a variety of cable diameters from 3 to 5mm...

$0.75 $1.50  
20 pc(s)
This thermally conductive adhesive is used widely for heat sinks without fixed fastener, such as on voltage regulator, MOSFET, high power LED and so on. It allows heat to be transferred from IC to the heat sinks, effectively protects IC from thermal impacts, Features : Heat conductivity:...

$3.90  
3 pc(s)
Thermoelectric coolers (TEC or Peltier) create a temperature differential on each side. One side gets hot and the other side gets cool. Therefore, they can be used to either warm something up or cool something down, depending on which side you use. The Thermal Tape listed below works very...

$0.50  
111 pc(s)
These are very common, high quality BJT NPN transistors made by ON Semiconductor. Documents : Datasheet

$0.50  
143 pc(s)
These are very common, high quality BJT NPN transistors made by Fairchild Semiconductor. Documents : Datasheet

$2.75  
20 pc(s)
This is the basic LD1117V33 voltage regulator, a low drop positive regulator with a 3.3V fixed output voltage. This fixed regulator provides a great amount of stability and protection for your project and with its on chip trimming this regulator is able to reach an output voltage tolerance...

$1.95  
13 pc(s)
The W25Q64JV (64M-bit) Serial Flash memory provides a storage solution for systems with limited space, pins and power. They are ideal for storing voice, text and data. The device operates on 2.7V to 3.6V power supply with current consumption as low as 1µA for power-down. The W25Q64JV array...